APA (7th ed.) Citation

Walther, G. (1991). Julius Maria Becker: (1887 - 1949).

Chicago Style (17th ed.) Citation

Walther, Gerrit. Julius Maria Becker: (1887 - 1949). 1991.

MLA (9th ed.) Citation

Walther, Gerrit. Julius Maria Becker: (1887 - 1949). 1991.

Warning: These citations may not always be 100% accurate.